Home / 1,140,351,072.21-1,573,684,493.09-618,830,304.21

Finding the Fourth Proportional to 1,140,351,072.21, 1,573,684,493.09 and 618,830,304.21

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Solution

The fourth proportional to 1,140,351,072.21, 1,573,684,493.09 and 618,830,304.21 is: 853,985,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,072.21 : 1,573,684,493.09 = 618,830,304.21 : x
  2. Step 2: Convert to fraction form
    1,140,351,072.21/1,573,684,493.09 = 618,830,304.21/x
  3. Step 3: Cross multiply
    1,140,351,072.21x = 1,573,684,493.09 × 618,830,304.21
  4. Step 4: Simplify right side
    1,140,351,072.21x = 973,843,653,586,350,336
  5. Step 5: Solve for x
    x = 973,843,653,586,350,336/1,140,351,072.21
  6. Step 6: Final answer
    x = 853,985,827.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.